SHROUD FOR ARC FURNACE

摘要

SHROUD FOR ARC FURNACE 23986-118 A suction duct having two opposed suction ports is disposed at the top wall of a shroud for a steel making arc furnace such that the two suction ports are in opposed relationship with respect to each other across an opening formed through the top wall of the shroud for permitting the lateral movement of a scrap bucket suspension device. An injection pipe or pipes are horizontally disposed in the suction port such that the injection pipes disposed in one of the suction ports are staggered vertically with respect to those disposed in the other suction port. A fluid is horizontally sprayed from a nozzle or nozzles of the injection pipes across the opening so that vertically spaced fluid shelves are formed across the opening. Case 579